Importance

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Abstract

Provided are an agent for decreasing the fluidity of a solid-liquid mixture (“agent”), and a method for decreasing the fluidity of a solid-liquid mixture within a short time while preventing an increase in the volume of the solid-liquid mixture, regardless of the chemical composition of the solid-liquid mixture. The agent is a granular material having a structure formed by entangled fibers. In one embodiment of the agent, the granular material has an average particle diameter of 300 μm or less and a specific surface area of 0.25 to 100 m2/g inclusive as measured by a BET method. In another embodiment of the agent, the granular material has a porosity of 50% or more and a specific surface area of 0.25 to 100 m2/g inclusive. It is preferred that each of the fibers contains a hydrophilic polymer; the hydrophilic polymer is preferably cellulose, the solid-liquid mixture is preferably mud.

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First Claim